.canvas-item {
  background: rgba(0,0,0,0.8);
  position: relative;
}
.canvas-fullscreen {
  width: 100%;
  height: 100%;
}
.cut-canvas-item {
  position: absolute;
}
.taro-cropper {
  position: relative;
}
.taro-cropper-fullscreen {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
html .taro-tabbar__container .taro-cropper-fullscreen {
  height: calc(100% - 100rpx);
}

